Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 31, NWS Atlanta, GA

May 14, 20146 counties in Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 14, 2014, 5:31 PM EDT for 6 counties in Georgia. It was in force for 44 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 14, 2014, 5:31 PM EDT (21:31 UTC)
Expired
May 14, 2014, 6:15 PM EDT
In force
44 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Baldwin County, GA, Bibb County, GA, Jones County, GA, Monroe County, GA, Twiggs County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 25 km from the middle of the area, began a volume at 21:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
May 14, 5:50 PM EDTTSTM WND DMGMacon, GATWO LARGE TREES BLOWN DOWN ONTO POWERLINES AT EISENHOWER AND PINE AVE IN MACON.
May 14, 5:55 PM EDTTSTM WND DMGMacon, GANUMEROUS REPORTS OF TREES AND POWER LINES BLOWN DOWN IN MACON.
May 14, 6:14 PM EDTTSTM WND DMGWayside, GAAT LEAST 10 TREES WERE BLOWN DOWN COUNTYWIDE ALONG WITH SEVERAL POWER LINES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.5 hours before the alert went out and 107 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2014-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 71 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2014-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
71 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

100 
WUUS52 KFFC 142131
SVRFFC
GAC009-021-169-207-289-319-142215-
/O.NEW.KFFC.SV.W.0031.140514T2131Z-140514T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
531 PM EDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BALDWIN COUNTY IN CENTRAL GEORGIA
  BIBB COUNTY IN CENTRAL GEORGIA
  JONES COUNTY IN CENTRAL GEORGIA
  EASTERN MONROE COUNTY IN CENTRAL GEORGIA
  NORTHERN TWIGGS COUNTY IN CENTRAL GEORGIA
  WESTERN WILKINSON COUNTY IN CENTRAL GEORGIA

* UNTIL 615 PM EDT

* AT 524 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE 
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP TO 60 MPH.   
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 13 MILES   
SOUTH OF GORDON TO 12 MILES SOUTHWEST OF GORDON TO 10 MILES SOUTH   
OF MACON...MOVING NORTH AT 45 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PAYNE
  CITY...IVEY...GRAY AND MILLEDGEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND REPORTS 
OF NUMEROUS TREES DOWN. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE 
AND STAY AWAY FROM WINDOWS!

IF YOU SEE WIND DAMAGE...HAIL OR FLOODING...WAIT UNTIL THE STORM HAS
PASSED...AND THEN CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1 8
6 6 7 6 3 4 4 6 6. YOU CAN ALSO TWEET YOUR REPORT USING HASHTAG GAWX.

&&

LAT...LON 3267 8363 3267 8367 3269 8369 3270 8375
      3279 8382 3310 8389 3317 8356 3315 8319
      3267 8320 3270 8343 3266 8359 3267 8359
      3266 8362
TIME...MOT...LOC 2131Z 166DEG 39KT 3278 8329 3282 8347
          3277 8362

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 3:25 PM EDTSpecial Weather StatementFFCStewart35 min
May 14, 3:30 PM EDTFlash Flood WatchFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more15 hr
May 14, 3:52 PM EDTSpecial Weather StatementFFCCrisp, Dodge, Telfair, Wheeler, Wilcox23 min
May 14, 4:06 PM EDTSpecial Weather StatementFFCChattahoochee, Marion24 min
May 14, 4:17 PM EDTSevere Thunderstorm WarningFFCMarion28 min
May 14, 4:19 PM EDTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Telfair41 min
May 14, 4:46 PM EDTSpecial Weather StatementFFCHarris, Muscogee, Talbot29 min
May 14, 4:51 PM EDTSevere Thunderstorm WarningFFCBleckley, Laurens, Twiggs, Wilkinson39 min
May 14, 5:47 PM EDTSpecial Weather StatementFFCPeach28 min
May 14, 6:02 PM EDTSevere Thunderstorm WarningFFCBibb, Crawford, Houston, Macon, Monroe, Peach and 1 more43 min
May 14, 6:12 PM EDTSevere Thunderstorm WarningFFCButts, Jasper, Jones, Monroe, Morgan, Newton and 1 more48 min
May 14, 6:27 PM EDTSevere Thunderstorm WarningFFCButts, Crawford, Henry, Lamar, Monroe, Pike and 2 more48 min
May 14, 6:43 PM EDTSevere Thunderstorm WarningFFCClayton, DeKalb, Gwinnett, Henry, Morgan, Newton and 2 more47 min
May 14, 7:22 PM EDTSpecial Weather StatementFFCBarrow, Gwinnett23 min
May 14, 7:45 PM EDTSpecial Weather StatementFFCForsyth, Hall, Jackson30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.